Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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Design Optimization of Auto-body Members for Crashworthiness Enhancement with the Response Surface Method

반응표면법을 이용한 차체 부재의 충돌성능 향상을 위한 설계 최적화

  • Na Sungyul (Samsung Electronics Corporation) ;
  • Song Junghan (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology) ;
  • Huh Hoon (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology) ;
  • Kim Hyunsub (Kia Motor Corporation)
  • 나승렬 (삼성전자 메카트로닉스 센터) ;
  • 송정한 (한국과학기술원 기계공학과) ;
  • 허훈 (한국과학기술원 기계공학과) ;
  • 김현섭 (기아자동차 차체설계3팀)
  • Published : 2005.07.01
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Abstract

The response surface method is the statistical method which can be applied to the non-sensitivity based optimization. The response surface which is constructed by the least square method contains only the polynomial terms so that the global maximum and minimum points are easily obtained. In this paper, this response surface method is utilized to optimize the crashworthiness of auto-body members. As the first step, the thickness of a simple circular tube is optimized to confirm the application of the response surface method to the crashworthiness. Optimization of the thickness on the front side member is, then, performed with the constructed response surface of the absorbed energy and deformation. Optimization results demonstrate that the absorbed energy and the deformation pattern of the front side member is improved in the viewpoint of enhancement of the crashworthiness.

Keywords

References

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